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3 cards from this section. Quick, good the night before a test.
What is the arithmetic mean of 5, 10, and 15?
Add all values and divide by the number of values.
List an example of when you would use the median.
Think of cases with outliers.
Which measure is best for categorizing data?
Think about data types.
True or False: The median can be influenced by extreme values.
Consider how median is calculated.
Given the incomes of five individuals: 2500, 3000, 5000, 7000, and 15000, calculate the mean and median. Discuss which measure is more useful.
Reflect on the impact of high values on averages.
In a survey with results: 1, 1, 2, 2, 2, 3, 4, determine the mode and explain its relevance.
Think about what mode tells us about group preferences.
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